WMZS2B08 EATON CUTLER HAMMER, WMZS2B08 Datasheet - Page 13

• Manufacturer Part Number: WMZS2B08
• Description: CIRCUIT BREAKER, THERMAL MAG, 2P, 8A
• Manufacturer: EATON CUTLER HAMMER

Specifications of WMZS2B08

• No. Of Poles: 2
• Current Rating: 8A
• Voltage Rating Vdc: 125V
• Voltage Rating Vac: 277V
• Mounting Type: DIN Rail
• Tripping Characteristic: B
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Technical Data
Electrical
Supplementary Protectors — UL / CSA
Miniature Circuit Breaker — IEC
Environmental / General
Mechanical
Description
Approvals
Standards
Short-Circuit Trip Response
Current Range
Maximum Voltage Ratings — UL / CSA
1-Pole
2-, 3-Pole
2 Poles in Series
Thermal Tripping Characteristics
Single-Pole
Multi-Pole
Short-Circuit Ratings (at Max. Voltage)
1-Pole
2-, 3-Pole
1-Pole
2 Poles in Series
Current Range
Maximum Voltage Ratings — IEC 60947-2
1-Pole
2-, 3-Pole
Maximum Voltage Ratings — IEC 60898
1-Pole
2-, 3-Pole
Thermal Tripping Characteristics
Single-Pole
Multi-pole
Interrupt Ratings (at Max. Voltage)
IEC 60947-2
IEC 60898
Operational Switching Capacity
Max. Back-Up Fuse [gL/gG]
Rated Impulse Withstand—U
Rated Insulation Voltage—U
Selectivity Class
Lifespan (Operations)
Shock (IEC 68-2-22)
Operating Temperature Range
Shipment & Short-Term Storage
Housing Material
Standard Front Dimension
Device Height
Terminal Protection
Mounting Width per Pole
Mounting
Degree of Protection
Terminals Top and Bottom
Supply Connection
Terminal Capacity [mm
Torque
Imperial Torque
Thickness of Bus Bar Material
Mounting Position
2
]
i
imp
B Curve
UR (UL 1077), CSA (CSA 22.2 No. 235), CE
IEC/EN 60947-2
3 x 5 I
6 – 63A
277 Vac
48 Vdc
480Y/277 Vac
125 Vdc
1.35 x I
1.45 x I
10 kA (5 kA for 40–63A Device)
10 kA (5 kA for 40–63A Device)
10 kA @ 48 Vdc
10 kA @ 125 Vdc
6 – 63A
230 Vac
48 Vdc
230/400 Vac
240 Vac
48 Vdc
240/415 Vac
> 1 Hour @ 1.05 x I
< 1 Hour @ 1.3 x I
15 kA
10 kA
7.5 kA
125A
4000 Vac
440 Vac
3
> 10000 (1 operation = ON/OFF)
10g–120 ms
+23 – +104°F (-5 – +40°C)
-40 – +185°F (-40 – +85°C)
Nylon
80 mm
Finger and Back-of-Hand Proof to IEC 536
17.7 mm
IEC/EN 60715 Top-Hat Rail
IP20
Twin-Purpose Terminals
Line or Load Side
1 x 25 (AWG 4 – 18) / 2 x 10 (AWG 8 – 18)
2.4 Nm
21 lb-in (AWG 18 – 12), 25 lb-in
(AWG 10 – 8), 36 lb-in (AWG 6 – 4)
0.8 – 2 mm
As Required
n
n
n
@ 40°C
@ 40°C
UL 1077 DIN Rail Supplementary Protectors
n
n
C Curve
5 x 10 I
0.5 – 63A
277 Vac
48 Vdc
480Y/277 Vac
125 Vdc
1.35 x I
1.45 x I
10 kA (5 kA for 40–63A Device)
10 kA (5 kA for 40–63A Device)
10 kA @ 48 Vdc
10 kA @ 125 Vdc
0.5 – 63A
230 Vac
48 Vdc
230/400 Vac
240 Vac
48 Vdc
240/415 Vac
> 1 Hour @ 1.05 x I
< 1 Hour @ 1.3 x I
15 kA
10 kA
7.5 kA
125A
4000 Vac
440 Vac
3
> 10000 (1 operation = ON/OFF)
10g–120 ms
+23 – +104°F (-5 – +40°C)
-40 – +185°F (-40 – +85°C)
Nylon
80 mm
Finger and Back-of-Hand Proof to IEC 536
17.7 mm
IEC/EN 60715 Top-Hat Rail
IP20
Twin-Purpose Terminals
Line or Load Side
1 x 25 (AWG 4 – 18) / 2 x 10 (AWG 8 – 18)
2.4 Nm
21 lb-in (AWG 18 – 12), 25 lb-in
(AWG 10 – 8), 36 lb-in (AWG 6 – 4)
0.8 – 2 mm
As Required
n
n
n
@ 40°C
@ 40°C
eaton corporation UL 1077 DIN Rail Supplementary Protectors
n
n
D Curve
10 x 20 I
0.5 – 40A
277 Vac
48 Vdc
480Y/277 Vac
125 Vdc
1.35 x I
1.45 x I
5 kA
5 kA
10 kA @ 48 Vdc
10 kA @ 125 Vdc
0.5 – 40A
230 Vac
48 Vdc
230/400 Vac
240 Vac
48 Vdc
240/415 Vac
> 1 Hour @ 1.05 x I
< 1 Hour @ 1.3 x I
15 kA
10 kA
7.5 kA
125A
4000 Vac
440 Vac
3
> 10000 (1 operation = ON/OFF)
10g–120 ms
+23 – +104°F (-5 – +40°C)
-40 – +185°F (-40 – +85°C)
Nylon
80 mm
Finger and Back-of-Hand Proof to IEC 536
17.7 mm
IEC/EN 60715 Top-Hat Rail
IP20
Twin-Purpose Terminals
Line or Load Side
1 x 25 (AWG 4 – 18) / 2 x 10 (AWG 8 – 18)
2.4 Nm
21 lb-in (AWG 18 – 12), 25 lb-in
(AWG 10 – 8), 36 lb-in (AWG 6 – 4)
0.8 – 2 mm
As Required
WMZS Circuit Breakers
n
n
@ 40°C
@ 40°C
n
TECHNICAL DATA
n
n
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